how to check ecg at home

{"cid":"91153663","title":"Handheld Portable ECG Machine Home Heart Monitoring Device Heart Rate Monitor EKG Analysis Wecardio","imgUrl":"https:\/\/img.chinax.com\/nimg\/d1\/ff\/89dca9fd4f5509df69d9f3fc8d45-200x200-1.jpg","attrs":{"Price":"Contact us","Brand Name":"BORSAM","Model Number":"Wecardio UN","Minimum Order Quantity":"100","Delivery Time":"10 days","Certification":"CE","Place of Origin":"China","Payment Terms":"T\/T in advance","Supply Ability":"10000 sets\/month","Packaging Details":"BOX","Product":"Handheld Portable ECG Machine Home Heart Monitoring Device Heart Rate Monitor EKG Analysis Wecardio","Item":"Portable ECG Machine","Description":"Home Heart Rate Monitor","Item1":"Handheld Cardiac Event Recorder","System":"Android\/IOS System Supported"}}

{"cid":"91226238","title":"New Screenless Smart Bracelet with 24-hour Heart Rate, ECG,blood Oxygen,HRV,sleep,blood Pressure,and Body Temperature Monitoring Compatible with both Android and Apple systems","imgUrl":"https:\/\/img.chinax.com\/nimg\/83\/de\/b7f06c26d47e3cd00e332a6d96cb-200x200-1.jpg","attrs":{"Price":"5-49 pieces US$21 50-499 pieces US$19 500-999 pieces US$18 \u22651,000 pieces US$17.50","Brand Name":"White label","Model Number":"W11","Minimum Order Quantity":"5","Delivery Time":"4 to 5 days","Battery Life":"5 to 7 days","screen resolution":"NA","internal storage":"64 KB RAM","Packaging Details":"23*13*16","feature":"App Control","heart rate sensor":"Huizhong GH3228 + GPSE1602B","Applicable People":"Unisex","Material":"Metal watch band + PC","battery capacity":"150mAh","Supply Ability":"cash commodity","CPU":"Jerry 7073(A8-1MB)","Place of Origin":"Guangdong, China","Operation System":"Other","Band Material":"Metal watch band + PC","Style":"Sports","Requirements for Ap device version":"Android 9.0\/ios 10.0+","function":"Pedometer, ECG detection, Temperature detection, Blood pressure monitoring, Sleep monitoring, HRV detection, Blood oxygen monitoring, Heart rate monitoring Pressure monitoring, Multiple sports modes","Screen":"No Screen","connection type":"Low-power Bluetooth 5.3","Waterproof":"5ATM IP68 waterproof","Certification":"CE ROHS","Display Type":"no display screen","G-Senser":"SC-7A20H","Brand":"W11","Search for devices via the APP":"The app is activated and the bracelet lights are all on.","Payment Terms":"T\/T","color classification":"Black buckle black wristband, black buckle grey wristband, black buckle green wristband, silver buckle black wristband, silver buckle grey wristband, silver buckle green wristband"}}